<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		
		<script type="text/javascript">
			
			let a = '张三丰';
			let b = "张无忌";
			a = `张三  丰
			的孙子是  ${b}
			`
			
			
			alert(a)
			
			
			let d = '张三疯 \\ 翠山';
			alert(d)
			
		</script>
	</body>
</html>
